GTK: Remove the global bookmarks menu. It can't be implemented efficiently.

chrome/browser/ui/gtk/global_menu_bar.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_GTK_GLOBAL_MENU_BAR_H_
 #define CHROME_BROWSER_UI_GTK_GLOBAL_MENU_BAR_H_
 
 #include <map>
 
 #include "chrome/browser/command_updater.h"
@@ skipping 66 matching lines @@
   NotificationRegistrar registrar_;
 
   // Our menu bar widget.
   OwnedWidgetGtk menu_bar_;
 
   // Listens to the TabRestoreService and the HistoryService and keeps the
   // history menu fresh.
   GlobalHistoryMenu history_menu_;
 
   // Listens to the bookmark model and updates the menu.
-  GlobalBookmarkMenu bookmark_menu_;
+  scoped_ptr<GlobalBookmarkMenu> bookmark_menu_;
 
   // For some menu items, we want to show the accelerator, but not actually
   // explicitly handle it. To this end we connect those menu items' accelerators
   // to this group, but don't attach this group to any top level window.
   GtkAccelGroup* dummy_accel_group_;
 
   // A mapping from command ids to GtkMenuItem objects. We use this to update
   // the command enable state.
   CommandIDMenuItemMap id_to_menu_item_;
 
   // gtk_check_menu_item_set_active() will call the "activate" signal. We need
   // to block this activation while we change the checked state.
   bool block_activation_;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_GLOBAL_MENU_BAR_H_